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Space Science

Asteroid Crashes Likely Gave Earth Its Water 138

Diggester writes "Asteroids from the inner solar system are the most likely source of the majority of Earth's water, a new study suggests. The results contradict prevailing theories, which hold that most of our planet's water originated in the outer solar system and was delivered by comets or asteroids that coalesced beyond Jupiter's orbit, then migrated inward."
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Asteroid Crashes Likely Gave Earth Its Water

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